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91087 (1998 FO120)
Classification: Main-belt Asteroid          SPK-ID: 2091087
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393530300580438 4.4103e-08  
a 2.657235976525421 1.3276e-08 au
q 2.286942091617358 1.1354e-07 au
i 11.89456948457076 5.0973e-06 deg
node 355.3860520499811 2.09e-05 deg
peri 145.8047613828571 2.7916e-05 deg
M 68.66608505391059 1.873e-05 deg
tp 2458698.724902536239
(2019-Aug-03.22490254)
8.1331e-05 TDB
period 1582.135271024411
4.33
1.1857e-05
3.246e-08
d
yr
n .2275405944062576 1.7053e-09 deg/d
Q 3.027529861433483 1.5126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      8145 days (22.30 yr)  
   first obs. used      1998-02-27  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:37:44  

Additional Information
 Earth MOID = 1.30829 au 
 Jupiter MOID = 1.9928 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457020.5 (2014-Dec-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405588045386236 4.4094e-08  
q 2.284336621900692 1.1389e-07 au
tp 2457117.344326529103
(2015-Apr-04.84432653)
7.6211e-05 TDB
node 355.4092289646098 2.0907e-05 deg
peri 146.0552309558936 2.7792e-05 deg
i 11.89324699161338 5.0961e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      8145 days (22.30 yr)  
   first obs. used      1998-02-27  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:37:44  

Additional Information
 Jupiter MOID = 1.9928 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.944310563609875E-15 -4.999873486425682E-15 7.573007404423552E-13 -4.610612479410912E-15 1.719837912867531E-13 -1.017968063824927E-14
q -4.999873486425682E-15 1.297047499209068E-14 -1.775637227297399E-12 1.390081100256709E-14 -4.040007390406732E-13 2.671294445336663E-14
tp 7.573007404423552E-13 -1.775637227297399E-12 5.808153830922723E-9 3.167711474554912E-11 1.41358930327794E-9 -5.035676868160107E-12
node -4.610612479410912E-15 1.390081100256709E-14 3.167711474554912E-11 4.370982090258683E-10 -4.190816237807661E-10 6.019988563632922E-12
peri 1.719837912867531E-13 -4.040007390406732E-13 1.41358930327794E-9 -4.190816237807661E-10 7.72414048370598E-10 -7.063565131605848E-12
i -1.017968063824927E-14 2.671294445336663E-14 -5.035676868160107E-12 6.019988563632922E-12 -7.063565131605848E-12 2.59701175021034E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO385377  
diameter diameter 5.309 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91087 (1998 FO120)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FO120 = 2000 SZ58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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